Home / 2,576.32-3,553.56-1,644.40

Finding the Fourth Proportional to 2,576.32, 3,553.56 and 1,644.40

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Solution

The fourth proportional to 2,576.32, 3,553.56 and 1,644.40 is: 2,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,576.32 : 3,553.56 = 1,644.40 : x
  2. Step 2: Convert to fraction form
    2,576.32/3,553.56 = 1,644.40/x
  3. Step 3: Cross multiply
    2,576.32x = 3,553.56 × 1,644.40
  4. Step 4: Simplify right side
    2,576.32x = 5,843,474.06
  5. Step 5: Solve for x
    x = 5,843,474.06/2,576.32
  6. Step 6: Final answer
    x = 2,268.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.